RU2591663C2 - Аудио кодер, аудио декодер, способ кодирования аудио информации, способ декодирования аудио информации и компьютерная программа, использующая обнаружение группы ранее декодированных спектральных значений - Google Patents
Аудио кодер, аудио декодер, способ кодирования аудио информации, способ декодирования аудио информации и компьютерная программа, использующая обнаружение группы ранее декодированных спектральных значений Download PDFInfo
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- RU2591663C2 RU2591663C2 RU2012122277/08A RU2012122277A RU2591663C2 RU 2591663 C2 RU2591663 C2 RU 2591663C2 RU 2012122277/08 A RU2012122277/08 A RU 2012122277/08A RU 2012122277 A RU2012122277 A RU 2012122277A RU 2591663 C2 RU2591663 C2 RU 2591663C2
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
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- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
- G10L19/0208—Subband vocoders
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- Audiology, Speech & Language Pathology (AREA)
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- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (3)
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| US25345909P | 2009-10-20 | 2009-10-20 | |
| US61/253,459 | 2009-10-20 | ||
| PCT/EP2010/065725 WO2011048098A1 (fr) | 2009-10-20 | 2010-10-19 | Codeur audio, décodeur audio, procédé de codage d'une information audio, procédé de décodage d'une information audio, et programme informatique utilisant la détection d'un groupe de valeurs spectrales préalablement décodées |
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| RU2012122277A RU2012122277A (ru) | 2013-11-27 |
| RU2591663C2 true RU2591663C2 (ru) | 2016-07-20 |
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| RU2012122278/08A RU2596596C2 (ru) | 2009-10-20 | 2010-10-19 | Аудио кодер, аудио декодер, способ кодирования аудио информации, способ декодирования аудио информации и компьютерная программа, использующая зависимое от диапазона арифметическое кодирующее правило отображения |
| RU2012122277/08A RU2591663C2 (ru) | 2009-10-20 | 2010-10-19 | Аудио кодер, аудио декодер, способ кодирования аудио информации, способ декодирования аудио информации и компьютерная программа, использующая обнаружение группы ранее декодированных спектральных значений |
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| RU2012122278/08A RU2596596C2 (ru) | 2009-10-20 | 2010-10-19 | Аудио кодер, аудио декодер, способ кодирования аудио информации, способ декодирования аудио информации и компьютерная программа, использующая зависимое от диапазона арифметическое кодирующее правило отображения |
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Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2487427C2 (ru) | 2008-07-11 | 2013-07-10 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. | Звуковое кодирующее устройство и звуковое декодирующее устройство |
| EP2315358A1 (fr) * | 2009-10-09 | 2011-04-27 | Thomson Licensing | Procédé et dispositif pour le codage ou le décodage arithmétique |
| EP2491554B1 (fr) | 2009-10-20 | 2014-03-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codeur audio, décodeur audio, procédé de codage d'une information audio, procédé de décodage d'une information audio, et programme informatique utilisant une règle de mappage de codage arithmétique dépendant d'une région |
| JP5773502B2 (ja) | 2010-01-12 | 2015-09-02 | フラウンホーファーゲゼルシャフトツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． | オーディオ符号化器、オーディオ復号器、オーディオ情報を符号化するための方法、オーディオ情報を復号するための方法、および上位状態値と間隔境界との両方を示すハッシュテーブルを用いたコンピュータプログラム |
| PL2596494T3 (pl) * | 2010-07-20 | 2021-01-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Dekoder audio, sposób dekodowania audio i program komputerowy |
| CN106409299B (zh) | 2012-03-29 | 2019-11-05 | 华为技术有限公司 | 信号编码和解码的方法和设备 |
| ES2770609T3 (es) | 2012-07-02 | 2020-07-02 | Samsung Electronics Co Ltd | Codificación por entropía de un vídeo y decodificación por entropía de un vídeo |
| TWI557727B (zh) | 2013-04-05 | 2016-11-11 | 杜比國際公司 | 音訊處理系統、多媒體處理系統、處理音訊位元流的方法以及電腦程式產品 |
| EP2830055A1 (fr) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codage entropique basé sur le contexte de valeurs d'échantillon d'une enveloppe spectrale |
| EP3614381A1 (fr) * | 2013-09-16 | 2020-02-26 | Samsung Electronics Co., Ltd. | Procédé et dispositif de codage de signal et procédé et dispositif de décodage de signal |
| US10388293B2 (en) * | 2013-09-16 | 2019-08-20 | Samsung Electronics Co., Ltd. | Signal encoding method and device and signal decoding method and device |
| KR20170037970A (ko) | 2014-07-28 | 2017-04-05 | 삼성전자주식회사 | 신호 부호화방법 및 장치와 신호 복호화방법 및 장치 |
| EP4318466A3 (fr) * | 2014-09-04 | 2024-03-13 | Sony Group Corporation | Dispositif d'émission, procédé d'émission, dispositif de réception et procédé de réception |
| TWI693595B (zh) * | 2015-03-13 | 2020-05-11 | 瑞典商杜比國際公司 | 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流 |
| TW202242853A (zh) * | 2015-03-13 | 2022-11-01 | 瑞典商杜比國際公司 | 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流 |
| WO2017050398A1 (fr) * | 2015-09-25 | 2017-03-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codeur, décodeur et procédés pour la commutation avec adaptation au signal du rapport de chevauchement dans le codage audio par transformation |
| US10812550B1 (en) * | 2016-08-03 | 2020-10-20 | Amazon Technologies, Inc. | Bitrate allocation for a multichannel media stream |
| CN116631417A (zh) | 2017-01-10 | 2023-08-22 | 弗劳恩霍夫应用研究促进协会 | 音频解码器、提供解码的音频信号的方法、和计算机程序 |
| EP3483880A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mise en forme de bruit temporel |
| EP3483882A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Contrôle de la bande passante dans des codeurs et/ou des décodeurs |
| EP3483878A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Décodeur audio supportant un ensemble de différents outils de dissimulation de pertes |
| EP3483883A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codage et décodage de signaux audio avec postfiltrage séléctif |
| EP3483886A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Sélection de délai tonal |
| WO2019091573A1 (fr) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Appareil et procédé de codage et de décodage d'un signal audio utilisant un sous-échantillonnage ou une interpolation de paramètres d'échelle |
| EP3483884A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Filtrage de signal |
| WO2019091576A1 (fr) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codeurs audio, décodeurs audio, procédés et programmes informatiques adaptant un codage et un décodage de bits les moins significatifs |
| EP3483879A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Fonction de fenêtrage d'analyse/de synthèse pour une transformation chevauchante modulée |
| KR20200000649A (ko) | 2018-06-25 | 2020-01-03 | 네이버 주식회사 | 오디오 병렬 트랜스코딩을 위한 방법 및 시스템 |
| TWI672911B (zh) * | 2019-03-06 | 2019-09-21 | 瑞昱半導體股份有限公司 | 解碼方法及相關電路 |
| CN111757168B (zh) * | 2019-03-29 | 2022-08-19 | 腾讯科技（深圳）有限公司 | 音频解码方法、装置、存储介质及设备 |
| US11024322B2 (en) * | 2019-05-31 | 2021-06-01 | Verizon Patent And Licensing Inc. | Methods and systems for encoding frequency-domain data |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7447631B2 (en) * | 2002-06-17 | 2008-11-04 | Dolby Laboratories Licensing Corporation | Audio coding system using spectral hole filling |
| EP1439524B1 (fr) * | 2002-07-19 | 2009-04-08 | NEC Corporation | Dispositif de decodage audio, procede de decodage et programme |
| RU2335809C2 (ru) * | 2004-02-13 | 2008-10-10 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Аудиокодирование |
| EP1883067A1 (fr) * | 2006-07-24 | 2008-01-30 | Deutsche Thomson-Brandt Gmbh | Méthode et appareil pour l'encodage sans perte d'un signal source, utilisant un flux de données encodées avec pertes et un flux de données d'extension sans perte. |
| EP2077550A1 (fr) * | 2008-01-04 | 2009-07-08 | Dolby Sweden AB | Encodeur audio et décodeur |
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